TexConv/CMP_CompressonatorLib/Buffer/CodecBuffer_R16F.cpp
2020-07-31 11:31:32 +08:00

274 lines
8.2 KiB
C++

//===============================================================================
// Copyright (c) 2007-2016 Advanced Micro Devices, Inc. All rights reserved.
// Copyright (c) 2004-2006 ATI Technologies Inc.
//===============================================================================
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files(the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions :
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
//
// File Name: CodecBuffer_R16F.cpp
// Description: implementation of the CCodecBuffer_R16F class
//
//////////////////////////////////////////////////////////////////////////////
#include "Common.h"
#include "CodecBuffer_R16F.h"
//////////////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////////////
const int nChannelCount = 1;
const int nPixelSize = nChannelCount * sizeof(CMP_HALF);
CCodecBuffer_R16F::CCodecBuffer_R16F(
CMP_BYTE nBlockWidth, CMP_BYTE nBlockHeight, CMP_BYTE nBlockDepth,
CMP_DWORD dwWidth, CMP_DWORD dwHeight, CMP_DWORD dwPitch, CMP_BYTE* pData,CMP_DWORD dwDataSize)
: CCodecBuffer(nBlockWidth, nBlockHeight, nBlockDepth, dwWidth, dwHeight, dwPitch, pData,dwDataSize)
{
assert((m_dwPitch == 0) || (m_dwPitch >= GetWidth() * nPixelSize));
if(m_dwPitch <= GetWidth() * nPixelSize)
m_dwPitch = GetWidth() * nPixelSize;
if(m_pData == NULL)
{
CMP_DWORD dwSize = m_dwPitch * GetHeight();
m_pData = (CMP_BYTE*) malloc(dwSize);
}
}
CCodecBuffer_R16F::~CCodecBuffer_R16F()
{
}
void CCodecBuffer_R16F::Copy(CCodecBuffer& srcBuffer)
{
if(GetWidth() != srcBuffer.GetWidth() || GetHeight() != srcBuffer.GetHeight())
return;
const CMP_DWORD dwBlocksX = ((GetWidth() + 3) >> 2);
const CMP_DWORD dwBlocksY = ((GetHeight() + 3) >> 2);
for(CMP_DWORD j = 0; j < dwBlocksY; j++)
{
for(CMP_DWORD i = 0; i < dwBlocksX; i++)
{
CMP_HALF block[BLOCK_SIZE_4X4X4];
srcBuffer.ReadBlockRGBA(i*4, j*4, 4, 4, block);
WriteBlockRGBA(i*4, j*4, 4, 4, block);
}
}
}
bool CCodecBuffer_R16F::ReadBlock(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_HALF block[], CMP_DWORD dwChannelIndex)
{
assert(x < GetWidth());
assert(y < GetHeight());
if(x >= GetWidth() || y >= GetHeight())
return false;
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
CMP_DWORD i,j;
for(j = 0; j < h && (y + j) < GetHeight(); j++)
{
CMP_HALF* pData = (CMP_HALF*) (GetData() + ((y + j) * m_dwPitch) + (x * nPixelSize));
for(i = 0; i < dwWidth; i++)
{
block[(j * w) + i] = pData[dwChannelIndex];
pData += nChannelCount;
}
// Pad line with previous values if necessary
if(i < w)
PadLine(i, w, 1, &block[j * w]);
}
// Pad block with previous values if necessary
if(j < h)
PadBlock(j, w, h, 1, block);
return true;
}
bool CCodecBuffer_R16F::WriteBlock(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_HALF block[], CMP_DWORD dwChannelIndex)
{
assert(x < GetWidth());
assert(y < GetHeight());
if(x >= GetWidth() || y >= GetHeight())
return false;
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
for(CMP_DWORD j = 0; j < h && (y + j) < GetHeight(); j++)
{
CMP_HALF* pData = (CMP_HALF*) (GetData() + ((y + j) * m_dwPitch) + (x * nPixelSize));
for(CMP_DWORD i = 0; i < dwWidth; i++)
{
pData[dwChannelIndex] = block[(j * w) + i];
pData += nChannelCount;
}
}
return true;
}
bool CCodecBuffer_R16F::ReadBlockA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_HALF block[])
{
assert(x < GetWidth());
assert(y < GetHeight());
if(x >= GetWidth() || y >= GetHeight())
return false;
memset(block, 0, w*h*sizeof(CMP_HALF));
return true;
}
bool CCodecBuffer_R16F::ReadBlockR(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_HALF block[])
{
return ReadBlock(x, y, w, h, block, CHANNEL_INDEX_R);
}
bool CCodecBuffer_R16F::ReadBlockG(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_HALF block[])
{
assert(x < GetWidth());
assert(y < GetHeight());
if(x >= GetWidth() || y >= GetHeight())
return false;
memset(block, 0, w*h*sizeof(CMP_HALF));
return true;
}
bool CCodecBuffer_R16F::ReadBlockB(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_HALF block[])
{
assert(x < GetWidth());
assert(y < GetHeight());
if(x >= GetWidth() || y >= GetHeight())
return false;
memset(block, 0, w*h*sizeof(CMP_HALF));
return true;
}
bool CCodecBuffer_R16F::WriteBlockA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE /*w*/, CMP_BYTE /*h*/, CMP_HALF /*block*/[])
{
assert(x < GetWidth());
assert(y < GetHeight());
if(x >= GetWidth() || y >= GetHeight())
return false;
return true;
}
bool CCodecBuffer_R16F::WriteBlockR(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_HALF block[])
{
return WriteBlock(x, y, w, h, block, CHANNEL_INDEX_R);
}
bool CCodecBuffer_R16F::WriteBlockG(CMP_DWORD x, CMP_DWORD y, CMP_BYTE /*w*/, CMP_BYTE /*h*/, CMP_HALF /*block*/[])
{
assert(x < GetWidth());
assert(y < GetHeight());
if(x >= GetWidth() || y >= GetHeight())
return false;
return true;
}
bool CCodecBuffer_R16F::WriteBlockB(CMP_DWORD x, CMP_DWORD y, CMP_BYTE /*w*/, CMP_BYTE /*h*/, CMP_HALF /*block*/[])
{
assert(x < GetWidth());
assert(y < GetHeight());
if(x >= GetWidth() || y >= GetHeight())
return false;
return true;
}
#define GET_PIXEL(i, j) &block[(((j * w) + i) * 4)]
bool CCodecBuffer_R16F::ReadBlockRGBA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_HALF block[])
{
assert(x < GetWidth());
assert(y < GetHeight());
assert(x % w == 0);
assert(y % h == 0);
if(x >= GetWidth() || y >= GetHeight())
return false;
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
CMP_DWORD i, j;
for(j = 0; j < h && (y + j) < GetHeight(); j++)
{
CMP_HALF* pData = (CMP_HALF*) (GetData() + ((y + j) * m_dwPitch) + (x * nPixelSize));
for(i = 0; i < dwWidth; i++)
{
CMP_HALF* pDest = GET_PIXEL(i, j);
*pDest++ = *pData++;
*pDest++ = 0.0f;
*pDest++ = 0.0f;
*pDest++ = 1.0f;
}
// Pad line with previous values if necessary
if(i < w)
PadLine(i, w, 4, &block[j * w * 4]);
}
// Pad block with previous values if necessary
if(j < h)
PadBlock(j, w, h, 4, block);
return true;
}
bool CCodecBuffer_R16F::WriteBlockRGBA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_HALF block[])
{
assert(x < GetWidth());
assert(y < GetHeight());
assert(x % w == 0);
assert(y % h == 0);
if(x >= GetWidth() || y >= GetHeight())
return false;
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
for(CMP_DWORD j = 0; j < h && (y + j) < GetHeight(); j++)
{
CMP_HALF* pData = (CMP_HALF*) (GetData() + ((y + j) * m_dwPitch) + (x * nPixelSize));
for(CMP_DWORD i = 0; i < dwWidth; i++)
{
memcpy(pData, GET_PIXEL(i, j), nPixelSize);
pData += nChannelCount;
}
}
return true;
}